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error[E0369]: cannot add `{integer}` to `*const u32`
--> $DIR/issue-112252-ptr-arithmetics-help.rs:6:20
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LL | let _a = _ptr1 + 5;
| ----- ^ - {integer}
| |
| *const u32
|
help: consider using `wrapping_add` or `add` for pointer + {integer}
|
LL - let _a = _ptr1 + 5;
LL + let _a = _ptr1.wrapping_add(5);
|
error[E0369]: cannot subtract `{integer}` from `*const u32`
--> $DIR/issue-112252-ptr-arithmetics-help.rs:7:20
|
LL | let _b = _ptr1 - 5;
| ----- ^ - {integer}
| |
| *const u32
|
help: consider using `wrapping_sub` or `sub` for pointer - {integer}
|
LL - let _b = _ptr1 - 5;
LL + let _b = _ptr1.wrapping_sub(5);
|
error[E0369]: cannot subtract `*const u32` from `*const u32`
--> $DIR/issue-112252-ptr-arithmetics-help.rs:8:20
|
LL | let _c = _ptr2 - _ptr1;
| ----- ^ ----- *const u32
| |
| *const u32
|
help: consider using `offset_from` for pointer - pointer if the pointers point to the same allocation
|
LL - let _c = _ptr2 - _ptr1;
LL + let _c = unsafe { _ptr2.offset_from(_ptr1) };
|
error[E0608]: cannot index into a value of type `*const u32`
--> $DIR/issue-112252-ptr-arithmetics-help.rs:9:19
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LL | let _d = _ptr1[5];
| ^^^
|
help: consider using `wrapping_add` or `add` for indexing into raw pointer
|
LL - let _d = _ptr1[5];
LL + let _d = _ptr1.wrapping_add(5);
|
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0369, E0608.
For more information about an error, try `rustc --explain E0369`.
|
